2BK9K-V8Smart Projector

ShenzhenwanchengjiaheElectronicesCo.,Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024/9/21 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BK9K-V8 ShenzhenwanchengjiaheElectronicesCo.,Ltd(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Sincerely, (Applicantsignature) ContactName:HeyuanLiu

ShenzhenwanchengjiaheElectronicesCo.,Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024/9/21 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BK9K-V8 ShenzhenwanchengjiaheElectronicesCo.,Ltd(“theapplicant”)certifiesthat,asofthedateofthefiling oftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityor anyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) ContactName:HeyuanLiu

ShenzhenwanchengjiaheElectronicesCo.,Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024/5/29 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2BK9K-V8or2BK9K ApplicantFRN:0035976695 HeyuanLiu ShenzhenwanchengjiaheElectronicesCo.,Ltd [InsertApplicantsignature Shenzhen wanchengjiahe Electronices Co.,Ltd (“the applicant”) certifies that, as of the date of the filing of the application, REP America LLC is our designated U.S. agent for service of process for the above referenced FCC ID. Shenzhen wanchengjiahe Electronices Co.,Ltd accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. REP America LLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: REP America LLC U. S. Agent FRN: 0034192500 V. Address:REP America LLC, 1942 Broadway St. STE 314C Boulder COLORADO 80302 USA Contact Person: Ben Xu Tel.: (719) 201-3314 Email: [email protected] Sincerely, ] Ben Xu REP America LLC [U.S. Agent signature]

ShenzhenwanchengjiaheElectronicesCo.,Ltd Rev11/20/07 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BK9K-V8. PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Schematics Blockdiagram Operationdescription FCCSoftwareSecurityRequirementsforUNII devices Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Sincerely, (signature) HeyuanLiu

FCCID:2BK9K-V8 ShenzhenwanchengjiaheElectronicesCo.,Ltd ModelConfirmationLetter We,Shenzhen wanchengjiahe Electronices Co.,Ltd,certify the product:Smart Projector,Model No.:V8,JHY-V8,JHY-720Pro,JHY-V9, JHY-V10,HY300,HY300-A,HY400,HY400-A,PJ-168C,V6,V9,V10,M7,M8,M10, A8,A10,720Pro,PJ-X6,W11.The product has many models, only the model name is different, and the other parts such as the circuit principle, pcb and electrical structure are the same..Test sample model:V8 Signiture:Heyuan Liu Company Name:Shenzhen wanchengjiahe Electronices Co.,Ltd Date: 2024/09/21

ShenzhenwanchengjiaheElectronicesCo.,Ltd M:\MasterDocuments\TEMPLATES\POA_Letter.doc FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:2024/9/21 SUBJECT:FCCApplicationforFCCID:2BK9K-V8 ToWhomItMayConcern: We,theundersigned,herebyauthorizeMachaelMoatShenzhenDACETesting TechnologyCo.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommission onourequipment.AnyandallactscarriedoutbyShenzhenDACETestingTechnology Co.,Ltd.onourbehalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (signature) HeyuanLiu

FCCID:2BK9K-V8 External FCCID:2BK9K-V8 FCCID:2BK9K-V8 FCCID:2BK9K-V8

Label:45*45mm ProjectorV8 AndroidHDProjector Lamp:LED PowerVoltage:100-240V FCCID:2BK9K-V8 MADEINCHINA

FCCID:2BK9K-V8 Internal BT/2.4G/5GWIFI--ANT FCCID:2BK9K-V8 FCCID:2BK9K-V8 FCCID:2BK9K-V8

PredictionofMPEatagivendistance ProductName:SmartProjector ModelNo:V8 FCCID:2BK9K-V8 1.RFExposureEvaluation FCCKDB447498D01GeneralRFExposureGuidancev06:MobileandPortableDevice, RFExposure,EquipmentAuthorizationProcedures. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1091:Radiofrequencyradiationexposureevaluation:mobiledevices. 2.Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) 2.TestProcedure Equationfrompage18ofOETBulletin65,Edition97-01 Where: S=powerdensity P=powerinputtotheantenna G=numericgainoftheantennainthedirectionofinterestrelativetoanisotropicradiator R=distancetothecentreofradiationoftheantenna EUTRFEXPOSURE Frequency (MHz) Maximum Output power (dBm) Maximum Output power (mW) Antenna Gain (dBi) Antenna Gain (numeric) Distance (cm) Result (mW/cm2) Limitsfor General Population/ Uncontrolled Exposure (mW/cm2) Band1--802.11amode 5240.007.585.7282.28 1.690 20.000.00191 Band4--802.11cmode 5825.007.385.4702.28 1.690 20.000.00181 2.4G-WIFI--802.11gmode 246220.48111.68621.58520.000.03521 BLEmode 24027.926.19421.58520.000.00201 EDR-2DH5mode 240210.3510.83921.58520.000.00341 Note:Justtheworstcasemodewasshowninreport. EUTRFExposureEvaluationsimultaneoustransmissionoperations Accordingto865664D022.2d)1): ThesumoftheratiosofthespatiallyaveragedresultstotheapplicablefrequencydependentMPElimits: Simultaneous transmissionmode ThesumoftheratiosSUMLimit EDR+2.4GWIFI+5GWIFI0.0034+0.0352+0.00190.04051 conclusion:0.0404<1.0,Sothereisnosarrequirement

V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 1 of 133 RFTESTREPORT For ShenzhenwanchengjiaheElectronicesCo.,Ltd ProductName:SmartProjector TestModel(s).:V8 ReportReferenceNo.:DACE240814001RF004 FCCID:2BK9K-V8 Applicant’sName:ShenzhenwanchengjiaheElectronicesCo.,Ltd Address: 2506,TaoxiaJinhuaBuildingGaofengCommunity,DalangStreet. Longhua,Shenzhen TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15E DateofReceipt:August14,2024 DateofTest:August14,2024toSeptember13,2024 DataofIssue:September13,2024 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 2 of 133 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE240814001RF004September13,2024 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: KerenHuang/TestEngineerBenTang/ProjectEngineerMachaelMo/Manager V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 3 of 133 CONTENTS 1TESTSUMMARY...................................................................................................................................................5 1.1TESTSTANDARDS........................................................................................................................................5 1.2SUMMARYOFTESTRESULT.........................................................................................................................5 2GENERALINFORMATION....................................................................................................................................6 2.1CLIENTINFORMATION..................................................................................................................................6 2.2DESCRIPTIONOFDEVICE(EUT)..................................................................................................................6 2.3DESCRIPTIONOFTESTMODES....................................................................................................................8 2.4DESCRIPTIONOFSUPPORTUNITS................................................................................................................8 2.5EQUIPMENTSUSEDDURINGTHETEST........................................................................................................8 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................10 2.7IDENTIFICATIONOFTESTINGLABORATORY.................................................................................................10 2.8ANNOUNCEMENT.......................................................................................................................................10 3RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................11 3.1CONDUCTEDEMISSIONATACPOWERLINE................................................................................................11 3.1.1E.U.T.Operation:........................................................................................................................11 3.1.2TestSetupDiagram:...................................................................................................................11 3.1.3TestData:...................................................................................................................................12 3.2DUTYCYCLE.............................................................................................................................................14 3.2.1E.U.T.Operation:........................................................................................................................14 3.2.2TestSetupDiagram:...................................................................................................................14 3.2.3TestData:...................................................................................................................................14 3.3EMISSIONBANDWIDTHANDOCCUPIEDBANDWIDTH.....................................................................................15 3.3.1E.U.T.Operation:........................................................................................................................16 3.3.2TestSetupDiagram:...................................................................................................................16 3.3.3TestData:...................................................................................................................................16 3.4MAXIMUMCONDUCTEDOUTPUTPOWER.....................................................................................................17 3.4.1E.U.T.Operation:.................................................…

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V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 81 of 133 Spurious_Emission_NVNT_ANT1_802_11ac(VHT20)_5240_20M Spurious_Emission_NVNT_ANT1_802_11ac(VHT40)_5190_40M V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 82 of 133 Spurious_Emission_NVNT_ANT1_802_11ac(VHT40)_5230_40M Spurious_Emission_NVNT_ANT1_802_11ac(VHT80)_5210_80M V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 83 of 133 7.FrequencyStability ConditionAntennaModulation Frequency (MHz) Fc(MHz)Fl(MHz)Fh(MHz)Limit(MHz)Result NVNTANT1802.11a5180.005180.0405171.6765188.4045150~5250Pass NVNTANT1802.11a5200.005200.0585191.6925208.4245150~5250Pass NVNTANT1802.11a5240.005240.0505231.6925248.4085150~5250Pass NVNTANT1802.11ac(VHT20)5180.005180.0445171.1205188.9685150~5250Pass NVNTANT1802.11ac(VHT20)5200.005200.0465191.1285208.9645150~5250Pass NVNTANT1802.11ac(VHT20)5240.005240.0365231.1125248.9605150~5250Pass NVNTANT1802.11ac(VHT40)5190.005190.0325171.8165208.2485150~5250Pass NVNTANT1802.11ac(VHT40)5230.005230.0165211.8165248.2165150~5250Pass NVNTANT1802.11ac(VHT80)5210.005210.0965172.3685247.8245150~5250Pass Frequency_Stability_NVNT_ANT1_802_11a_5180 V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 84 of 133 Frequency_Stability_NVNT_ANT1_802_11a_5200 Frequency_Stability_NVNT_ANT1_802_11a_5240 V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 85 of 133 Frequency_Stability_NVNT_ANT1_802_11ac(VHT20)_5180 Frequency_Stability_NVNT_ANT1_802_11ac(VHT20)_5200 V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 86 of 133 Frequency_Stability_NVNT_ANT1_802_11ac(VHT20)_5240 Frequency_Stability_NVNT_ANT1_802_11ac(VHT40)_5190 V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 87 of 133 Frequency_Stability_NVNT_ANT1_802_11ac(VHT40)_5230 Frequency_Stability_NVNT_ANT1_802_11ac(VHT80)_5210 V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 88 of 133 Appendix--5.8G_WIFI V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 89 of 133 HT240814005--V8--5.8G--FCC FCC_5.8G_WIFI(Part15.407)TestData 1.-6dBEmissionBandwidth ConditionAntennaModeFrequency(MHz)-6dB_Emission_Bandwidth(MHz)Limit(MHz)Result NVNTANT1802.11a5745.0016.3340.500Pass NVNTANT1802.11a5785.0016.3300.500Pass NVNTANT1802.11a5825.0016.3540.500Pass NVNTANT1802.11ac(VHT20)5745.0017.2480.500Pass NVNTANT1802.11ac(VHT20)5785.0017.5460.500Pass NVNTANT1802.11ac(VHT20)5825.0017.2980.500Pass NVNTANT1802.11ac(VHT40)5755.0035.2010.500Pass NVNTANT1802.11ac(VHT40)5795.0035.2070.500Pass NVNTANT1802.11ac(VHT80)5775.0075.1850.500Pass -6dB_Emission_Bandwidth_NVNT_ANT1_802_11a_5745_20M V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 90 of 133 -6dB_Emission_Bandwidth_NVNT_ANT1_802_11a_5785_20M -6dB_Emission_Bandwidth_NVNT_ANT1_802_11a_5825_20M V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 91 of 133 -6dB_Emission_Bandwidth_NVNT_ANT1_802_11ac(VHT20)_5745_20M -6dB_Emission_Bandwidth_NVNT_ANT1_802_11ac(VHT20)_5785_20M V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 92 of 133 -6dB_Emission_Bandwidth_NVNT_ANT1_802_11ac(VHT20)_5825_20M -6dB_Emission_Bandwidth_NVNT_ANT1_802_11ac(VHT40)_5755_40M V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 93 of 133 -6dB_Emission_Bandwidth_NVNT_ANT1_802_11ac(VHT40)_5795_40M -6dB_Emission_Bandwidth_NVNT_ANT1_802_11ac(VHT80)_5775_80M V1.0ReportNo.:DACE240814001RF004 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouConnunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected]…

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2. Antenna performance SWR Electrical technical parameters 电性能指标 ElectricalSpecifications 频率范围2400~2500/5150~5850MHzFrequencyRange2400~2500/5150~5850MHz 电压驻波比≤2.0VSWR≤2.0 输入阻抗50ΩInputImpedance50Ω 增益Gai2dBi/2.28dBin 最大输入功 2dBi/2.28dBi 率50WMaximumInputPower50W 机械指标 MechanicalSpecifications 天线颜色黑色AntennaColorBLACK 接口形式IPEX一代InputconnectorIPEX1 天线线长100mmCablelength100mm 工作温度-40°C~+85°CWorkingTemperature-40°C~+85°C 工作湿度20~80%WorkingHumidity20~80% 3. Antenna efficiency and gain PassiveTestForWIFI2.4 FreqEffiGain (MHz)(%)(dBi) 240044.932.00 241044.091.79 242040.311.43 243040.261.36 244042.991.6 245046.491.89 246045.391.62 247048.071.77 248049.251.73 249052.81.81 250053.651.84 PassiveTestForWIFI5.8 FreqEffiGain (MHz)(%)(dBi) 515057.651.29 520052.362.00 525046.790.16 530049.360.4 535058.051.13 540065.741.8 545058.961.53 550060.611.74 555063.452.28 560060.142.21 565056.982.02 570056.921.78 575059.282.00 580054.711.05 585047.40.66

FCCID:2BK9K-V8 ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) FCCID:2BK9K-V8 Emissionsinfrequencybands(above1GHz)